
import { observe } from './observe'
let obj = {
  a: {
    b: {
      c: 99
    }
  },
  d: 5,
  e: {
    f: {
      g: 1
    }
  }
}

observe(obj)
obj.e.f.g = 66
console.log(obj)
console.log(obj.e.f.g)